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Influence Analysis of Gradation Composition on High Temperature Stability of Bituminous Mixtures
Author(s): 
Pages: 1-4
Year: Issue:  10
Journal: JOURNAL OF HIGHWAY AND TRANSPORTATION RESEARCH AND DEVELOPMENT

Keyword:  级配沥青混合料高温稳定性马歇尔试验车辙;
Abstract: 通过对普通密级配沥青混凝土(AC型)与美国Superpave型沥青混合料的级配曲线分析,认为AC型沥青混凝土中2.36mm以下细集料用量偏高,会对其高温稳定性产生不利影响.采用马歇尔试验、车辙试验对两种级配沥青混合料的高温稳定性能进行比较后,对AC型级配范围提出修正建议:级配曲线应通过控制点要求的区间,并低于0.3mm与2.36mm集料级配限制区.试验结果表明,调整AC型级配范围后的沥青混合料,高温稳定性能得到提高.
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